Question

i have a mazda 6 2004 with code p0340. the car still running, but when i start the car in the morning it hesistates. when i do 60 mph and stop preesing the gas pedal, the engine shake a little bit til i start pressing it again i changed the camshaft sensor, but didnt change the problem. do you have an idea what is the problem about? here is a link of what it does when i start it cold.

Answer 1

Hi there

Check the mechanical timing. Sometimes if it's jumped time a tooth or two it will still start and run, a bit rough, but also set the cam sensor code. If the cam timing is mechanically off, then the cram sensor replacement won't resolve it.